Boat trailer winch bracket



FIG. 1 is a perspective view of a boat trailer winch bracket showing my new design, it being understood that the broken lines are for illustrative purposes only and form no part of the claimed design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation view taken along line 3--3 of FIG. 2;

FIG. 4 is a side elevation view thereof, the opposite side being a mirror image of that shown;

FIG. 5 is a rear elevation view thereof; and

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a boat trailer winch bracket, as shown and described. 